US3954257A - Suspension strut - Google Patents

Suspension strut Download PDF

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Publication number
US3954257A
US3954257A US05/501,977 US50197774A US3954257A US 3954257 A US3954257 A US 3954257A US 50197774 A US50197774 A US 50197774A US 3954257 A US3954257 A US 3954257A
Authority
US
United States
Prior art keywords
housing
set forth
piston rod
vehicle
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US05/501,977
Other languages
English (en)
Inventor
Johan H. Keijzer
Louis J. Jossa
Henri C. J. Vanhove
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenneco Automotive Europe BVBA
Original Assignee
Monroe Belgium NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Monroe Belgium NV filed Critical Monroe Belgium NV
Priority to US05/501,977 priority Critical patent/US3954257A/en
Priority to AU81505/75A priority patent/AU487155B2/en
Priority to CA234,028A priority patent/CA1049573A/en
Priority to IT26695/75A priority patent/IT1042140B/it
Priority to JP10448075A priority patent/JPS5547655B2/ja
Priority to FR7526635A priority patent/FR2283021A1/fr
Priority to AR260202A priority patent/AR211101A1/es
Priority to GB35800/75A priority patent/GB1505707A/en
Priority to BR7505568*A priority patent/BR7505568A/pt
Priority to DE19752538805 priority patent/DE2538805C2/de
Application granted granted Critical
Publication of US3954257A publication Critical patent/US3954257A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
    • F16F9/084—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall comprising a gas spring contained within a flexible wall, the wall not being in contact with the damping fluid, i.e. mounted externally on the damper cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type

Definitions

  • This invention relates generally to vehicle suspensions, and, more particularly, to a new and improved vehicle suspension including a leveling strut having a removable shock absorber cartridge incorporated therein, as well as a variable volume chamber which is adapted to be selectively pressurized to compensate for vehicle loading.
  • pressurized gas such as compressed air
  • FIG. 1 is a side elevational view, partly broken away, of a prior art type suspension strut
  • FIG. 2 is a view similar to FIG. 1 of a suspension strut incorporating the principles of the present invention therein:
  • FIG. 3 is an enlarged cross-sectional view of the portion of the strut shown within the circle 3 of FIG. 2;
  • FIG. 4 is an enlarged fragmentary cross-sectional view of an alternate embodiment of the present invention.
  • FIG. 5 is enlarged fragmentary view of still another embodiment of the present invention.
  • FIG. 6 is an enlarged fragmentary view similar to FIGS. 4 and 5 of still another embodiment of the present invention.
  • FIG. 7 is an enlarged fragmentary view of yet another embodiment of the present invention.
  • FIG. 8 is an enlarged fragmentary cross-sectional view of the structure shown in FIG. 3;
  • FIG. 9 is an enlarged fragmentary view of yet another embodiment of the present invention.
  • a prior art suspension strut of the independent-MacPherson type is generally designated by the numeral 10 and is shown as comprising a generally tubular cylindrical housing 12 within which a hydraulic damping piston 14 is reciprocally disposed.
  • the piston 14 is operatively connected to the lower end of a piston rod 16 which extends upwardly from the upper end of the housing 12 and is reciprocable with the piston 14.
  • the housing 12 is operatively mounted within or upon a wheel spindle or stub axle 18 which is adapted to operatively support an associated vehicle wheel or the like 20 in a manner well known in the art.
  • suspension struts such as that shown in FIG.
  • a lower spring seat 22 that is fixedly secured to the outer periphery of the housing 12 and adapted to support the lower end of a helical coil spring 24 which extends generally coaxially of the housing 12.
  • the upper end of the spring 24 is supported by an upper spring seat 26 which is formed with a central opening 28 through which the upper end 30 of the piston rod 16 extends.
  • the piston rod upper end 30 is adapted to be operatively connected directly to an associated sprung portion of the vehicle or via a suitable connecting bracket or the like, representatively designated by the numeral 32, with the bracket 32 being provided with an anti-friction bearing assembly 34 adapted to rotatively connect the piston rod 16 to the vehicle and permit rotation of the suspension strut 10 as is necessary when the strut 10 is utilized on the front or steerable wheels of a vehicle.
  • the bearing assembly 34 is mounted within a resilient material such as rubber or the like, as designated at 36, and a compression bumper 38 is provided between the underside of the upper spring seat 36 and the upper end of the housing 12.
  • a suspension strut 40 in accordance with one preferred embodiment of the present invention, is shown as comprising an elongated tubular or cylindrical housing 42 within which is located a removable shock absorber cartridge, generally designated 44, which is retained within the housing 42 by means of a threaded fitting 46. More particularly and as best seen in FIG.
  • the threaded fitting 46 is adapted to be threadably received within an internally threaded upper end 48 of the housing 42, whereby to permit convenient removal of the cartridge 44 for purposes of repair, replacement, etc.
  • the lower end of the housing 42 is operatively supported upon a wheel spindle 50 which is adapted to operatively support the associated vehicle wheel 52 in the same manner as the aforementioned spindle 18.
  • the shock absorber cartridge 44 includes an elongated cylindrical enclosure 54 which is adapted to be telescopically received within the housing 42. Extending upwardly and reciprocal relative to the enclosure 54 is an elongated piston rod 56, the interior end of which is operatively connected to a suitable valved piston (not shown) which is cooperable with a quantity of damping fluid within the enclosure 54 for damping reciprocal movement of the rod 56. Disposed within the upper end of the enclosure 54 is a rod guide and seal assembly, generally designated by the numeral 58, which includes a rod guide 60 and a fluid seal 62 adapted to slidably and sealably engage the outer periphery of the rod 56 in a conventional manner.
  • the housing 42 is provided with a lower spring seat 64 which defines a generally radially disposed shoulder 66 adapted for engagement and support of a lower end of a helical coil spring 68 arranged concentrically of the housing 42.
  • the upper end of the spring 68 is supported by a generally inverted cup-shaped upper spring seat 70 formed with a central opening 72 through which a reduced diameter portion 74 of the piston rod 56 extends.
  • the upper spring seat 70 is formed with a downwardly directed shoulder 76 which is engaged by the upper end of the spring 68, as illustrated.
  • the suspension strut 40 is provided with a rolling diaphragm member, generally designated by the numeral 78, which is fabricated, for example, of natural or synthetic rubber which may, if desired, be reinforced by a suitable fabric or the like.
  • the diaphragm member 78 is of a generally tubular configuration and is shown in FIG. 2 as comprising an inner end portion 80 and an outer end portion 82, with the portions 80, 82 being connected by an integral reversely folded portion 84. As shown in FIG.
  • the inner end portion 80 is preferably fixedly secured by means of a clamping ring or the like 86 to a recessed area 88 on the fitting 46, with the lower end of the inner end portion 88 extending downwardly along and contiguously engaged with the outer periphery of the housing 42.
  • the upper end of the outer end portion 82 of the diaphragm member 78 is fixedly secured by means of a clamping ring or the like 92 to a generally cylindrical section 94 of a dirt shield assembly 96 which is disposed above and arranged coaxially of the housing 42.
  • the upper end of the cylindrical section 94 is fixedly secured as by welding or the like to a generally cup-shaped upper end section 98 of the dirt shield 96, the section 98 being formed with a central opening 100 through which the reduced diameter end portion 74 of the piston rod 56 extends.
  • Means in the form of a suitable compression bumper 102 is disposed between the underside of the dirt shield assembly 96 and the upper end of the housing 42 and adapted for engagement with a suitable bumper seat 104 that is located adjacent the upper end of the fitting 46.
  • the end portion 74 of the piston rod 56 is adapted to be rotatably supported, if desired, by means of a suitable anti-friction bearing assembly 106 which is mounted within a resilient cushioning element 108 located within an attachment bracket or chassis portion 110 whereby to fixedly secure the upper end of the suspension strut 40 to the associated chassis.
  • a suitable anti-friction bearing assembly 106 which is mounted within a resilient cushioning element 108 located within an attachment bracket or chassis portion 110 whereby to fixedly secure the upper end of the suspension strut 40 to the associated chassis.
  • the diaphragm member 78, along with the dirt shield assembly 96 forms a variable volume chamber which is adapted to be pressurized to compensate for vehicle loading and to supplement the action of the coil spring 68.
  • Such pressurization of the variable volume chamber defined by the diaphragm member 78 and dirt shield assembly 96 may be accomplished in a number of satisfactory ways, for example, by forming a longitudinally extending bore 112 in the upper end portion 74 of the piston rod 56, which bore 112 is communicable with a cross bore 114 at the inner end thereof whereby to communicate with the interior of the aforesaid chamber.
  • a suitable fitting assembly representatively designated by the numeral 116, may be secured to the terminal end of the piston rod portion 74 for communicating a suitable fluid conduit 120 with the bore 112 and hence with the afroementioned chamber.
  • a conduit 120 may be communicable with any suitable source of fluid pressure, such as a compressed gas provided, for example, by an air compressor on the associated vehicle. At such time as the aforesaid compressor is energized, compressed air will be supplied through the conduit 120, fitting assembly 116 and bores 112, 114 to the variable volume chamber to effect expansion thereof and thus compensate for vehicle loading.
  • a compressed gas provided, for example, by an air compressor on the associated vehicle.
  • suspension strut 40 of the present invention will bind satisfactory application in vehicle suspensions wherein it is not necessary to provide for relative rotation between the strut and the associated chassis, such as when the strut would be utilized in a non-steerable (rear) wheel of a vehicle.
  • the upper end of the piston rod 56 could be secured between a pair of axially spaced washers or the like 120 and 122 and have a suitable threaded nut 124 secured thereon for retaining the piston rod 56 and dirt shield 96 in the respective operative relationship to the mounting bracket or chassis portion 110.
  • a suitable fluid fitting 126 may be fixedly secured to the dirt shield 96 for operatively connecting the conduit 120 thereto.
  • a suitable passage or port 130 should be provided in the dirt shield 96 so that pressurized fluid being communicated from the conduit 120 may be transmitted into the interior of the dirt shield 96.
  • suspension spring 68 may not be necessary, as shown in FIG. 6, wherein the dirt shield 96 and piston rod 56 are secured directly to the associated mounting bracket or chassis portion 110 by means of a pair of washers or the like 132 and 134 and a suitable threaded nut 136 threadably received upon the upper end of the piston rod 56.
  • FIG. 7 illustrates another embodiment of the present invention wherein pressurized fluid is communicated to the aforementioned variable volume chamber defined by the diaphragm member 78 and dirt shield 96 through some means other than through the piston rod 56, with the piston 56 being rotatably connected to the associated chassis portion 110 so as to provide for relative rotation as would be required on a front wheel application as depicted in FIGS. 1 and 2.
  • the upper end of the piston rod 56 is rotatably connected by a suitable anti-friction bearing assembly 138 to the chassis portion 110 with a suitable damping or resilient media 140, with the piston rod 56 being secured by suitable nut or the like 142.
  • FIG. 9 A suitable alternative, for example, is shown in FIG. 9 wherein a shock absorber cartridge 144 is retained within a tubular housing 146 analogous to aforedescribed housing 42.
  • the cartridge 144 is retained within the housing 146 by means of a suitable fitting or lock ring 148 having a lower internally threaded counterbored area 150 adapted to be threadably engaged with an upper externally threaded end portion 152 of the housing 146.
  • variable volume chamber defining diaphragm member 78 for operatively connecting the variable volume chamber defining diaphragm member 78 to the associated components of the suspension strut and/or operatively connecting the strut per se to the associated vehicle without departing from the scope or fair meaning of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)
US05/501,977 1974-08-30 1974-08-30 Suspension strut Expired - Lifetime US3954257A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US05/501,977 US3954257A (en) 1974-08-30 1974-08-30 Suspension strut
AU81505/75A AU487155B2 (en) 1975-05-26 Suspension strut
CA234,028A CA1049573A (en) 1974-08-30 1975-08-25 Suspension strut
JP10448075A JPS5547655B2 (pt) 1974-08-30 1975-08-28
IT26695/75A IT1042140B (it) 1974-08-30 1975-08-28 Puntone per sospensioni
FR7526635A FR2283021A1 (fr) 1974-08-30 1975-08-29 Jambe de force de suspension
AR260202A AR211101A1 (es) 1974-08-30 1975-08-29 Un dispositivo nivelador para un vehiculo.
GB35800/75A GB1505707A (en) 1974-08-30 1975-08-29 Vehicular suspension strut
BR7505568*A BR7505568A (pt) 1974-08-30 1975-08-29 Aperfeicoamento em sistema de nivelamento para um veiculo
DE19752538805 DE2538805C2 (de) 1974-08-30 1975-09-01 Federbein mit einem Teleskop-Stoßdämpfer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/501,977 US3954257A (en) 1974-08-30 1974-08-30 Suspension strut

Publications (1)

Publication Number Publication Date
US3954257A true US3954257A (en) 1976-05-04

Family

ID=23995794

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/501,977 Expired - Lifetime US3954257A (en) 1974-08-30 1974-08-30 Suspension strut

Country Status (8)

Country Link
US (1) US3954257A (pt)
JP (1) JPS5547655B2 (pt)
AR (1) AR211101A1 (pt)
BR (1) BR7505568A (pt)
CA (1) CA1049573A (pt)
FR (1) FR2283021A1 (pt)
GB (1) GB1505707A (pt)
IT (1) IT1042140B (pt)

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206907A (en) * 1978-06-05 1980-06-10 General Motors Corporation Suspension strut with pneumatic spring
US4248454A (en) * 1979-05-21 1981-02-03 Chrysler Corporation Suspension strut isolator mount
US4260176A (en) * 1979-01-15 1981-04-07 Chrysler Corporation Wheel suspension strut
US4316604A (en) * 1979-02-22 1982-02-23 Tokico Ltd. Vehicle height adjusting device
US4527781A (en) * 1983-08-08 1985-07-09 General Motors Corporation Pneumatic vehicle suspension unit with air sleeve guide
US4534545A (en) * 1981-11-24 1985-08-13 General Motors Corporation Vehicle suspension unit with replacement air spring
US4555096A (en) * 1980-11-20 1985-11-26 Ford Motor Company Pneumatic spring and strut assembly
US4574450A (en) * 1981-11-24 1986-03-11 General Motors Corporation Method of servicing a vehicle suspension unit with replacement air spring
US4598929A (en) * 1983-02-03 1986-07-08 Mitsubishi Jidosha Kogyo K.K. Vehicle suspension system
US4647025A (en) * 1984-04-30 1987-03-03 Henning Gold Spring-loaded damping or shock absorbing apparatus
US4681304A (en) * 1986-03-21 1987-07-21 Chrysler Motors Corporation Deflection jounce bumper for strut suspension
US4688774A (en) * 1985-11-27 1987-08-25 Goodyear Tire & Rubber Company Side load compensating air suspension
US4712776A (en) * 1986-07-14 1987-12-15 The Firestone Tire & Rubber Company Air spring suspension system
DE3720729A1 (de) * 1986-06-23 1988-01-07 Monroe Auto Equipment Co Niveauregulierende stossdaempfereinheit fuer fahrzeuge
US4817983A (en) * 1987-11-12 1989-04-04 Maremont Corporation Apparatus and method for repairing a MacPherson strut assembly
US5009401A (en) * 1986-07-14 1991-04-23 Bridgestone/Firestone, Inc. Air spring suspension system with dual path isolation
US5180144A (en) * 1991-09-03 1993-01-19 General Motors Corporation Air spring module for a damper
US5725239A (en) * 1996-03-26 1998-03-10 Monroe Auto Equipment Adaptive load dependent suspension system
US6443436B1 (en) 2001-05-29 2002-09-03 Tenneco Automotive Inc. Air spring assembly on shock absorber with combined seal
US20040173425A1 (en) * 2003-03-06 2004-09-09 Minoru Shinozuka Hydraulic shock absorber
US20040188199A1 (en) * 2003-02-14 2004-09-30 Zf Sachs Ag Bellows for hydraulic, hydropneumatic, or pneumatic piston-cylinder units
US20080246198A1 (en) * 2007-04-09 2008-10-09 Bfs Diversified Products, Llc Gas spring assembly and method
US20090200765A1 (en) * 2006-07-10 2009-08-13 Ryshavy John W Adjustable Suspension Leveling Apparatus
US20110140323A1 (en) * 2009-09-07 2011-06-16 Byung Soo Kwon Air suspension
US20110254209A1 (en) * 2008-02-22 2011-10-20 Nikolaos Adonios Adonakis Strut assembly with air spring
USD731367S1 (en) 2014-01-14 2015-06-09 Stempf Automotive Industries, Inc. Strut suspension spacer
USD731368S1 (en) 2014-01-14 2015-06-09 Stempf Automotive Industries, Inc. Strut suspension spacer combination
US9211775B1 (en) 2014-10-17 2015-12-15 Stempf Automotive Industries, Inc. Adjustable suspension height modification apparatus
US9233588B2 (en) 2014-01-14 2016-01-12 Stempf Automotive Industries, Inc. Strut suspension assembly system
USD750535S1 (en) 2014-10-17 2016-03-01 Stempf Automotive Industries, Inc. Suspension spacer

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760812U (pt) * 1980-09-27 1982-04-10
JPS5937522U (ja) * 1982-09-03 1984-03-09 ナイルス部品株式会社 指針の取付構造
JPS6379205U (pt) * 1986-11-12 1988-05-25
JPH08300928A (ja) * 1995-05-01 1996-11-19 Toyota Motor Corp 車両用サスペンション装置及び同装置のための電気制御装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031180A (en) * 1960-09-15 1962-04-24 Gen Motors Corp Self-leveling fluid spring
US3149829A (en) * 1962-11-16 1964-09-22 Maremont Corp Self-damping suspension unit
US3157396A (en) * 1963-05-17 1964-11-17 Gen Motors Corp Shock absorber and air spring device
US3181852A (en) * 1963-03-08 1965-05-04 Superior Industries Shock absorber spring unit
US3353813A (en) * 1965-02-05 1967-11-21 Teves Kg Alfred Shock absorber for vehicular suspension systems
US3372919A (en) * 1964-11-02 1968-03-12 Gen Motors Corp Automatic vehicle leveling system
US3376032A (en) * 1964-12-02 1968-04-02 Teves Kg Alfred Shock absorber for vehicular suspension systems and the like
US3603575A (en) * 1969-07-07 1971-09-07 Chapman Performance Products I Adjustable vehicle-stabilizing unit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1070940B (pt) * 1955-02-07
US3121562A (en) * 1960-08-30 1964-02-18 Gen Motors Corp Attachment means for air spring on shock absorber
DE1625418B1 (de) * 1967-09-09 1970-01-22 Carl Ullrich Dr Peddinghaus Lasttragendes Federbein
DE1806786B2 (de) * 1968-11-02 1971-12-02 Fichtel & Sachs Ag, 8720 Schweinfurt Rollbalgbefestigung an einem fluidgefuellten federbein
US3700225A (en) * 1970-05-28 1972-10-24 Monroe Belgium Nv Combination shock absorber and supplementary air spring unit and method of assembling same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031180A (en) * 1960-09-15 1962-04-24 Gen Motors Corp Self-leveling fluid spring
US3149829A (en) * 1962-11-16 1964-09-22 Maremont Corp Self-damping suspension unit
US3181852A (en) * 1963-03-08 1965-05-04 Superior Industries Shock absorber spring unit
US3157396A (en) * 1963-05-17 1964-11-17 Gen Motors Corp Shock absorber and air spring device
US3372919A (en) * 1964-11-02 1968-03-12 Gen Motors Corp Automatic vehicle leveling system
US3376032A (en) * 1964-12-02 1968-04-02 Teves Kg Alfred Shock absorber for vehicular suspension systems and the like
US3353813A (en) * 1965-02-05 1967-11-21 Teves Kg Alfred Shock absorber for vehicular suspension systems
US3603575A (en) * 1969-07-07 1971-09-07 Chapman Performance Products I Adjustable vehicle-stabilizing unit

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206907A (en) * 1978-06-05 1980-06-10 General Motors Corporation Suspension strut with pneumatic spring
US4260176A (en) * 1979-01-15 1981-04-07 Chrysler Corporation Wheel suspension strut
US4316604A (en) * 1979-02-22 1982-02-23 Tokico Ltd. Vehicle height adjusting device
US4248454A (en) * 1979-05-21 1981-02-03 Chrysler Corporation Suspension strut isolator mount
US4555096A (en) * 1980-11-20 1985-11-26 Ford Motor Company Pneumatic spring and strut assembly
US4534545A (en) * 1981-11-24 1985-08-13 General Motors Corporation Vehicle suspension unit with replacement air spring
US4574450A (en) * 1981-11-24 1986-03-11 General Motors Corporation Method of servicing a vehicle suspension unit with replacement air spring
US4598929A (en) * 1983-02-03 1986-07-08 Mitsubishi Jidosha Kogyo K.K. Vehicle suspension system
US4527781A (en) * 1983-08-08 1985-07-09 General Motors Corporation Pneumatic vehicle suspension unit with air sleeve guide
US4647025A (en) * 1984-04-30 1987-03-03 Henning Gold Spring-loaded damping or shock absorbing apparatus
US4697797A (en) * 1984-04-30 1987-10-06 Henning Gold Combination pneumatic spring and shock absorbing apparatus
US4688774A (en) * 1985-11-27 1987-08-25 Goodyear Tire & Rubber Company Side load compensating air suspension
US4681304A (en) * 1986-03-21 1987-07-21 Chrysler Motors Corporation Deflection jounce bumper for strut suspension
DE3720729C2 (de) * 1986-06-23 1998-09-17 Tenneco Automotive Inc Feder-Dämpfer-Einheit
DE3720729A1 (de) * 1986-06-23 1988-01-07 Monroe Auto Equipment Co Niveauregulierende stossdaempfereinheit fuer fahrzeuge
US4802657A (en) * 1986-06-23 1989-02-07 Monroe Auto Equipment Company Vehicle leveling shock absorber assembly
US5009401A (en) * 1986-07-14 1991-04-23 Bridgestone/Firestone, Inc. Air spring suspension system with dual path isolation
US4712776A (en) * 1986-07-14 1987-12-15 The Firestone Tire & Rubber Company Air spring suspension system
US4817983A (en) * 1987-11-12 1989-04-04 Maremont Corporation Apparatus and method for repairing a MacPherson strut assembly
US5180144A (en) * 1991-09-03 1993-01-19 General Motors Corporation Air spring module for a damper
US5725239A (en) * 1996-03-26 1998-03-10 Monroe Auto Equipment Adaptive load dependent suspension system
US6443436B1 (en) 2001-05-29 2002-09-03 Tenneco Automotive Inc. Air spring assembly on shock absorber with combined seal
US20040188199A1 (en) * 2003-02-14 2004-09-30 Zf Sachs Ag Bellows for hydraulic, hydropneumatic, or pneumatic piston-cylinder units
US7823709B2 (en) * 2003-02-14 2010-11-02 Zf Sachs Ag Bellows for hydraulic, hydropneumatic, or pneumatic piston-cylinder units
KR100982760B1 (ko) 2003-02-14 2010-09-16 체에프 작스 아게 유압식, 유공압식 또는 공압식 피스톤-실린더 어셈블리용 완충기
US20040173425A1 (en) * 2003-03-06 2004-09-09 Minoru Shinozuka Hydraulic shock absorber
US7780178B2 (en) * 2006-07-10 2010-08-24 Stempf Automotive Industries, Inc. Adjustable suspension leveling apparatus
US7850183B1 (en) * 2006-07-10 2010-12-14 Stempf Automotive Industries. Inc. Adjustable suspension leveling apparatus
US20090200765A1 (en) * 2006-07-10 2009-08-13 Ryshavy John W Adjustable Suspension Leveling Apparatus
US20100295259A1 (en) * 2006-07-10 2010-11-25 Ryshavy John W Adjustable Suspension Leveling Apparatus
US8141854B2 (en) * 2007-04-09 2012-03-27 Firestone Industrial Products Company, Llc Gas spring assembly and method
US20080246198A1 (en) * 2007-04-09 2008-10-09 Bfs Diversified Products, Llc Gas spring assembly and method
US20110254209A1 (en) * 2008-02-22 2011-10-20 Nikolaos Adonios Adonakis Strut assembly with air spring
US8256749B2 (en) * 2008-02-22 2012-09-04 Axletech International Ip Holdings, Llc Strut assembly with air spring
US20110140323A1 (en) * 2009-09-07 2011-06-16 Byung Soo Kwon Air suspension
USD731367S1 (en) 2014-01-14 2015-06-09 Stempf Automotive Industries, Inc. Strut suspension spacer
USD731368S1 (en) 2014-01-14 2015-06-09 Stempf Automotive Industries, Inc. Strut suspension spacer combination
US9233588B2 (en) 2014-01-14 2016-01-12 Stempf Automotive Industries, Inc. Strut suspension assembly system
US9211775B1 (en) 2014-10-17 2015-12-15 Stempf Automotive Industries, Inc. Adjustable suspension height modification apparatus
USD750535S1 (en) 2014-10-17 2016-03-01 Stempf Automotive Industries, Inc. Suspension spacer

Also Published As

Publication number Publication date
BR7505568A (pt) 1976-08-03
FR2283021B1 (pt) 1978-09-22
JPS5547655B2 (pt) 1980-12-01
CA1049573A (en) 1979-02-27
JPS5177777A (pt) 1976-07-06
FR2283021A1 (fr) 1976-03-26
GB1505707A (en) 1978-03-30
IT1042140B (it) 1980-01-30
AR211101A1 (es) 1977-10-31
AU8150575A (en) 1976-12-02

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